資訊推薦

• 4. 兩個電熱絲的電阻值都是 5 Ω，但是標定的規格分別是 5 W 與 20 W，如果將他們串聯，串聯後所能運作的最大功率是？ (A) 5 W (B) 10 W (C) 20 W (D) 25 W。
• 5. 如圖所示，若電流 I 等於零，則電阻 R 為多少歐姆？ (A) 1.5Ω (B) 3Ω (C) 6Ω (D)9Ω
• 9. 關於電壓表之敘述，以下選項何者有誤？ (A)與負載並聯後可測電壓 (B)與高電阻器並聯後 可測更高電壓 (C)其內阻大於電流表內阻 (D)與高電阻器串聯後可測更高電壓。
• 10. 一個放大器若加入負回授形成串並回授放大器後，其輸入阻抗有何變化？ (A)沒變 (B)變小 (C)變大 (D)無法判斷。
• 11. 史密特觸發器(Schmitt trigger)之輸入信號不論為何種波形，其輸出波形皆為何種波形？ (A)脈波 (B)鋸齒波 (C)正弦波 (D)三角波。
• 12. 如下圖所示電路，應該屬於以下何種回授放大器(feedback amplifier)之架構？ (A)串串 (series-series) (B)串並(series-shunt) (C)並串(sh
• 2. Which of the following statements about membrane lipids is FALSE? (A) Plasma membranes are en
• 3. Which of the following method can be used to predict membrane protein topology? (A) Hydropath
• 4. What is\/are the difference(s) between passive diffusion and facilitated diffusion? (A) Pass
• 5. Which of the following monosaccharides are anomers of each other? (A) Alpha-D-Glucose and Bet
• 6. The process of electron transport will generate ATP. In the last stage, where does the energy tha
• 7. All of the following are in the mitochondria EXCEPT: (A) enzymes for fatty acid oxidation
• 8. The reaction of photosynthesis whereby light energy is transduced into chemical energy uses _____
• 9. Carotenoids have primary roles in photosynthesis as: (A) accessory light-harvesting and photo
• 10. If levels of ______ and\/or ______ are low, pyruvate is directed primarily into ______； but if
• 11. All of the following are characteristics of phenylketonuria EXCEPT: (A) excretion of phenylp
• 12. Many ______ and ______ are inhibitors of purine and pyrimidine biosynthesis. (A) eicosanoids
• 13. Adenylosuccinase (adenylosuccinate lyase) catalyzes the reaction to remove ______ after ______ h
• 14. The fate of IMP is regulated by relative levels of ______ and ______； and energy to drive AMP sy
• 15. The immediate reducing power of ribonucleotide reductase is provided by: (A) thioredoxin
• 2. Enzyme is a ( ) (pick the best description) (A) substrate analog (B) substrate stabilizer
• 6. 有一電阻、電容串聯的電路，接上交流電源，v(t) = sin(377t) V，電源電流是 i(t) = sin(377t+ 60°) A。請問這電路的虛功率是多少 VAR？ (A)(B) 0
• 3. For this enzyme reaction, it is a ? (A) Ping-Pong Reaction (B) Single-displacement reaction (
• 7. 有一電阻、電容並聯的電路，接上交流電源，在電壓峰值不變，以及電路正常運作的條件下， 如果把電源頻率從低變高，那麼以下哪一個敘述是正確的？ (A)電路的功率因數會降低 (B)電 容的電抗會升高 (
• 8. 一顆 10 W 的 LED 燈泡點亮 24 小時，會讓電錶讀數增加幾度？ (A) 0.1 度 (B) 240 度 (C) 0.24 度 (D) 10 度。